From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Move the 0 initialization of pin_mask and long_mask from
intel_get_hpd_pins() into each caller. This we we can call
intel_get_hpd_pins() multiple times to accumulate more pins from several
sources.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 3388b64..db27945 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1301,9 +1301,6 @@ static void intel_get_hpd_pins(u32 *pin_mask, u32 *long_mask,
enum port port;
int i;
- *pin_mask = 0;
- *long_mask = 0;
-
for_each_hpd_pin(i) {
if ((hpd[i] & hotplug_trigger) == 0)
continue;
@@ -1544,7 +1541,7 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT);
- u32 pin_mask, long_mask;
+ u32 pin_mask = 0, long_mask = 0;
if (!hotplug_status)
return;
@@ -1673,7 +1670,7 @@ static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir)
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
if (hotplug_trigger) {
- u32 dig_hotplug_reg, pin_mask, long_mask;
+ u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
@@ -1781,7 +1778,7 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir)
hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
if (hotplug_trigger) {
- u32 dig_hotplug_reg, pin_mask, long_mask;
+ u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
@@ -2004,7 +2001,7 @@ static void bxt_hpd_handler(struct drm_device *dev, uint32_t iir_status)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 hp_control, hp_trigger;
- u32 pin_mask, long_mask;
+ u32 pin_mask = 0, long_mask = 0;
/* Get the status */
hp_trigger = iir_status & BXT_DE_PORT_HOTPLUG_MASK;
--
2.4.6
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